DLA Weapons Support (Columbus) · Electronic Components
LO4278
Connector, Receptacle, Electrical
Part NumberLO4278
ManufacturerDLA Weapons Support (Columbus)
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-322-7019 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Overall Width0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM
Thread Class2B
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT AND CORROSION RESISTANT AND HUMIDITY RESISTANT AND FUNGUS RESISTANT
Threaded Device TypeMOUNTING HOLE
Included Contact Quantity100 SINGLE MATING END SINGLE CONTACT GROUPING
Terminal TypePIN SINGLE MATING END SINGLE CONTACT GROUPING
Mating End Quantity1
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Overall Length6.145 INCHES MINIMUM AND 6.155 INCHES MAXIMUM
Overall Height0.545 INCHES MINIMUM AND 0.555 INCHES MAXIMUM
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
ESD/EMICode A — ESD/EMI sensitive item
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is LO4278 available?
We can source LO4278 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is LO4278 by DLA Weapons Support (Columbus) obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If LO4278 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like LO4278?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for LO4278?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.